Bytech BYPB40108BK Facts: 137 Specifications & 23 Highlights
Get the facts before you unbox. The Bytech BYPB40108BK power bank features 137 key specs & features, with general information, battery & capacity, charging input performance & power output performance topping the list.
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Highlights 23
No extras. Just what matters.Why is Bytech BYPB40108BK better than other power banks ?
General Information
- Product Type: Power Bank
- Manufactured in China
- Well Suited for Smartphone Charging,Tablet Charging,Travel Backup,Emergency Power
- Released in 2024
- Finish Type: Matte
- 5.96 °F higher maximum operating temperature 113.0 °F vs 107.0 °F
- Storage Temperature Range: 32–104°F
Battery & Capacity
- Cycle Life Rating: 300–500 Cycles
- 4.95 % lower self-discharge rate 5.0 % vs 9.9 %
- 1.03 Watt lower standby power loss 0.5 Watt vs 1.5 Watt
- 3,962.97 Watt higher energy rating 4,000.0 Watt vs 37.0 Watt
- Battery Cell Type: Cylindrical
- Battery Chemistry: Lithium-Ion
- Has 2 Cells
- Battery Configuration: Series-Parallel Configuration
Charging Input Performance
- 1.19 hour shorter charging time 2.5 hour vs 3.7 hour
- Has 2 Input Ports
Physical Dimensions & Weight
- 1.09 inch narrower width 2.7 inch vs 3.8 inch
- 1.11 inch slimmer depth 0.9 inch vs 2.0 inch
Thermal Management & Cooling
- 14.38 °F higher thermal cutoff threshold 158.0 °F vs 143.6 °F
Included Accessories & Packaging
- 0.89 inch smaller package width 3.0 inch vs 3.9 inch
- 0.8 inch smaller package depth 1.0 inch vs 1.8 inch
Quick Take
The essentials that matter—nothing extraA fast snapshot of the Bytech BYPB40108BK, covering its standout specification and what you can expect right out of the box.
Bytech BYPB40108BK
Bytech BYPB40108BK is a 4000W dual USB power bank in black, designed to charge multiple portable electronic devices on the go, equipped with two USB ports for simultaneous charging and large power output for fast recharging of gadgets such as mobile phones and tablets.
Specifications & Facts 137
Specs measured. Drama avoided.Wondering how the Bytech BYPB40108BK power bank compares? We list out its specs, verdicts from users, pros and cons, and real data next to similar power banks.
General Information 10
Bytech BYPB40108BK Product Type
What is the product type?
59 Bytech BYPB40108BK 0 Votes Power Bank
31 Power Banks in this range Power Bank
Identifies the functional category of the portable charging device.
Bytech BYPB40108BK Country of Origin
Where is this product made?
69 Bytech BYPB40108BK 0 Votes China
34 Power Banks in this range China
States the country where the product is manufactured or assembled.
Bytech BYPB40108BK Intended Use Case
What is the intended use case?
63 Bytech BYPB40108BK 0 Votes Smartphone Charging, Tablet Charging, Travel Backup, Emergency Power
31 Power Banks in this range Smartphone Charging, Tablet Charging, Travel Backup, Emergency Power
Describes the primary usage scenarios the power bank is designed for.
Bytech BYPB40108BK Release Year
What is the release year?
99 Bytech BYPB40108BK 0 Votes 2024
44 Power Banks in this range 2024
Indicates the year the product was first released to market.
Bytech BYPB40108BK Color Options
What color options are available?
75 Bytech BYPB40108BK 0 Votes Black
36 Power Banks in this range Black
Lists the available exterior color choices.
Bytech BYPB40108BK Finish Type
What type of finish does it have?
59 Bytech BYPB40108BK 0 Votes Matte
31 Power Banks in this range Matte
Describes the surface finish of the exterior shell.
Battery & Capacity 14
Bytech BYPB40108BK Battery Capacity
What is the battery capacity?
Bytech BYPB40108BK
Battery capacity of 4000 mAh offers a balance between portability and sufficient energy storage.
States the total energy storage capacity of the battery cells.
Bytech BYPB40108BK Rated Capacity
What is the rated capacity?
Bytech BYPB40108BK
The rated capacity is 4000 mAh, which defines the amount of charge the battery can store, suitable for charging smartphones approximately once or twice.
Indicates the usable output capacity after conversion losses.
Bytech BYPB40108BK Cycle Life Rating
What is the cycle life rating?
49 Bytech BYPB40108BK 0 Votes 300–500 Cycles
27 Power Banks in this range 300–500 Cycles
Bytech BYPB40108BK
The battery cycle life rating is 300–500 Cycles, meaning it can be recharged this many times before significant capacity loss.
Indicates the estimated number of full charge cycles the battery can complete before noticeable capacity degradation.
Bytech BYPB40108BK Self-Discharge Rate
What is the self-discharge rate?
Bytech BYPB40108BK
The self-discharge rate is 5 %, representing the battery's natural capacity loss when not in use over time.
Indicates how much charge is lost when not in use.
Bytech BYPB40108BK Standby Power Loss
How much power is lost in standby?
Bytech BYPB40108BK
Standby power loss is minimal at 0.5 Watt, indicating efficient energy conservation when not actively charging devices.
Measures power lost while the unit is idle.
Bytech BYPB40108BK Energy Rating
What is the energy rating?
Measures total energy stored expressed in watt-hours.
Charging Input Performance 10
Bytech BYPB40108BK Maximum Input Power
What is the maximum input power?
Bytech BYPB40108BK
Maximum input power is 10 Watt, setting the upper limit for input charging speed.
Shows the maximum power the power bank can accept while charging.
Bytech BYPB40108BK Input Current Rating
What is the input current rating?
Bytech BYPB40108BK
Input current rating is 2 Amp, allowing reasonable charging speed from compatible chargers.
Defines the maximum current the power bank can draw during charging.
Bytech BYPB40108BK Charging Efficiency
What is the charging efficiency?
Bytech BYPB40108BK
Charging efficiency is around 85 %, meaning most energy drawn is effectively stored in the battery.
Measures how efficiently input power is converted to stored energy.
Bytech BYPB40108BK Charging Time
How long does it take to fully recharge?
Bytech BYPB40108BK
Charging time is approximately 2.5 hours, indicating the duration needed to fully recharge the power bank.
Estimates total time required to fully recharge the power bank.
Bytech BYPB40108BK Input Port Count
How many input ports does it have?
19 Bytech BYPB40108BK 0 Votes 2
7 Power Banks in this range 1
Indicates how many input ports are available for charging.
Bytech BYPB40108BK Input Port Type
What input port types are supported?
39 Bytech BYPB40108BK 0 Votes Micro-USB
40 Power Banks in this range USB-C
Identifies the physical port types used to recharge the power bank.
Power Output Performance 13
Bytech BYPB40108BK Maximum Output Power
What is the maximum output power?
Bytech BYPB40108BK
Maximum output power per port is 5 Watt, suitable for standard phone charging speeds.
Shows the highest power level supported by a single output.
Bytech BYPB40108BK Total Output Power
What is the total output power?
Bytech BYPB40108BK
Total output power is 10 Watt, enough to charge most smartphones efficiently.
Measures the combined power available when using multiple ports.
Bytech BYPB40108BK Output Port Type
What output port types are available?
59 Bytech BYPB40108BK 0 Votes USB-A
38 Power Banks in this range USB-A, USB-C
Identifies the physical ports used to deliver power to devices.
Bytech BYPB40108BK Output Port Count
How many output ports does it have?
0 Bytech BYPB40108BK 0 Votes 2
0 Power Banks in this range 2
Indicates how many devices can be physically connected at once.
Bytech BYPB40108BK Output Voltage Range
What output voltage range is supported?
0 Bytech BYPB40108BK 0 Votes 5V
0 Power Banks in this range 5V
Defines the voltage levels supported for device charging.
Bytech BYPB40108BK Output Current Rating
What is the output current rating?
Represents the power delivery capability under load conditions.
Charging Protocols & Compatibility 12
Bytech BYPB40108BK USB Power Delivery
Does it support USB Power Delivery?
No
0
Votes
Bytech BYPB40108BK
Yes Power Banks in this range
Indicates support for the USB Power Delivery fast charging standard.
Bytech BYPB40108BK Quick Charge
Is Quick Charge supported?
No
0
Votes
Bytech BYPB40108BK
Yes Power Banks in this range
Confirms compatibility with Qualcomm Quick Charge standards.
Bytech BYPB40108BK Programmable Power Supply
Does it support PPS charging?
No
0
Votes
Bytech BYPB40108BK
Yes Power Banks in this range
Indicates support for Programmable Power Supply charging.
Bytech BYPB40108BK Apple Charging Compatibility
Is it compatible with Apple devices?
Yes 0 Votes Bytech BYPB40108BK
Yes Power Banks in this range
Ensures optimized charging for Apple devices.
Bytech BYPB40108BK Samsung Charging Compatibility
Is it compatible with Samsung devices?
Yes 0 Votes Bytech BYPB40108BK
Yes Power Banks in this range
Confirms optimized charging for Samsung devices.
Bytech BYPB40108BK Laptop Charging
Can it charge laptops?
No
0
Votes
Bytech BYPB40108BK
Yes Power Banks in this range
Indicates ability to charge laptops via USB-C output.
Physical Dimensions & Weight 6
Bytech BYPB40108BK Weight
How much does it weigh?
Bytech BYPB40108BK
The device weighs 2 lbs, which is approximately 0.91 kg making it fairly light and portable.
Indicates how heavy the power bank is for portability.
Bytech BYPB40108BK Width
What is the width?
Bytech BYPB40108BK
Width is 2.7 inch, which equals about 6.86 cm, contributing to a pocket-friendly size.
Measures the horizontal size of the power bank.
Bytech BYPB40108BK Depth
What is the depth?
Bytech BYPB40108BK
The depth is 0.9 inch, approximately 2.29 cm, making the device compact.
Measures the front-to-back thickness of the power bank.
Bytech BYPB40108BK Height
What is the height?
Bytech BYPB40108BK
Height is 4.8 inch, approximately 12.19 cm, contributing to a compact overall size.
Measures the vertical dimension of the power bank.
Bytech BYPB40108BK Pocket-Friendly Design
Is it pocket-friendly?
Yes 0 Votes Bytech BYPB40108BK
Yes Power Banks in this range
Indicates whether the size is suitable for pocket carry.
Bytech BYPB40108BK Travel-Friendly Size
Is it travel-friendly?
Yes 0 Votes Bytech BYPB40108BK
Yes Power Banks in this range
Indicates suitability for travel and carry-on use.
Build Materials & Durability 10
Bytech BYPB40108BK Drop Resistance Height
What drop height can it survive?
Bytech BYPB40108BK
Drop resistance height is 1 ft, equivalent to 0.30 m, meaning the device can tolerate minor falls from this height.
Specifies the maximum drop height the device can withstand.
Bytech BYPB40108BK Button Durability Rating
How durable are the buttons?
0 Bytech BYPB40108BK 0 Votes Good
0 Power Banks in this range Good
Bytech BYPB40108BK
Button durability is good, meaning the physical buttons are designed to withstand frequent use without failure.
Indicates the overall durability and longevity of the physical buttons based on build quality and expected usage.
Bytech BYPB40108BK Outer Shell Material
What is the outer shell material?
0 Bytech BYPB40108BK 0 Votes Plastic
0 Power Banks in this range Plastic
Specifies the primary material used for the exterior housing.
Bytech BYPB40108BK Internal Frame Material
What is the internal frame material?
0 Bytech BYPB40108BK 0 Votes Plastic
0 Power Banks in this range Plastic
Describes the internal structural material supporting the battery cells.
Bytech BYPB40108BK Impact Resistance Rating
What is the impact resistance rating?
0 Bytech BYPB40108BK 0 Votes Low Impact Resistance
0 Power Banks in this range Moderate Impact Resistance
Indicates the ability of the power bank to withstand shocks and physical impacts.
Bytech BYPB40108BK Heat Resistance
Is the power bank heat resistant?
No
0
Votes
Bytech BYPB40108BK
Yes Power Banks in this range
Indicates whether the power bank is designed to withstand elevated internal and external temperatures without performance degradation.
Display, Indicators & Controls 10
Bytech BYPB40108BK User Feedback Alerts
What user alerts are available?
0 Bytech BYPB40108BK 0 Votes LED Light
0 Power Banks in this range LED Light
Bytech BYPB40108BK
User feedback is provided via an LED Light, which offers a simple and visible indication of device status.
Indicates how the device provides user feedback and alerts.
Bytech BYPB40108BK Display Type
What type of display does it have?
0 Bytech BYPB40108BK 0 Votes LED Indicator
0 Power Banks in this range LED Indicator
Specifies the type of display used to show power information.
Bytech BYPB40108BK Battery Level Indicator
Does it show battery level?
Yes 0 Votes Bytech BYPB40108BK
Yes Power Banks in this range
Indicates whether the power bank shows remaining battery level.
Bytech BYPB40108BK Indicator Accuracy
How accurate is the battery indicator?
Measures how accurately the indicator reflects actual remaining power.
Bytech BYPB40108BK Remaining Time Display
Does it display remaining time?
No
0
Votes
Bytech BYPB40108BK
Yes Power Banks in this range
Shows estimated remaining usage or charging time.
Bytech BYPB40108BK Button Type
What type of button does it use?
0 Bytech BYPB40108BK 0 Votes Physical Button
0 Power Banks in this range Physical Button
Describes the type of button used for control.
Safety & Protection Features 14
Bytech BYPB40108BK Short Circuit Protection
Does it have short circuit protection?
Yes 0 Votes Bytech BYPB40108BK
Yes Power Banks in this range
Prevents damage when a short circuit is detected.
Bytech BYPB40108BK Overcurrent Protection
Is overcurrent protection supported?
Yes 0 Votes Bytech BYPB40108BK
Yes Power Banks in this range
Protects devices from excessive current flow.
Bytech BYPB40108BK Overvoltage Protection
Does it include overvoltage protection?
Yes 0 Votes Bytech BYPB40108BK
Yes Power Banks in this range
Prevents voltage levels from exceeding safe limits.
Bytech BYPB40108BK Thermal Protection
Does it have thermal protection?
Yes 0 Votes Bytech BYPB40108BK
Yes Power Banks in this range
Shuts down or limits power when overheating is detected.
Bytech BYPB40108BK Temperature Monitoring
Is temperature monitored internally?
No
0
Votes
Bytech BYPB40108BK
Yes Power Banks in this range
Continuously monitors internal temperature.
Bytech BYPB40108BK Foreign Object Detection
Does it detect foreign objects?
No
0
Votes
Bytech BYPB40108BK
Yes Power Banks in this range
Detects abnormal objects or unsafe connections.
Thermal Management & Cooling 11
Bytech BYPB40108BK Heat Dissipation Method
How does it dissipate heat?
0 Bytech BYPB40108BK 0 Votes Passive Cooling
0 Power Banks in this range Passive Cooling
Bytech BYPB40108BK
Heat dissipation is managed by passive cooling, a silent method relying on natural air flow without moving parts.
Describes how heat is dispersed away from internal components.
Bytech BYPB40108BK Thermal Cutoff Threshold
At what temperature does it shut down?
Bytech BYPB40108BK
Thermal cutoff threshold is 158 °F, which corresponds to 70 °C, the temperature at which the device will shut off to prevent overheating.
Indicates the temperature at which the system shuts down to prevent damage.
Bytech BYPB40108BK Cooling Design Type
What cooling design type is used?
0 Bytech BYPB40108BK 0 Votes Passive Cooling
0 Power Banks in this range Passive Cooling
Bytech BYPB40108BK
The cooling design relies on passive methods reducing noise and mechanical complexity.
Describes the overall cooling architecture used to manage internal heat during charging and discharging.
Bytech BYPB40108BK Thermal Management System
Does it have a thermal management system?
No
0
Votes
Bytech BYPB40108BK
Yes Power Banks in this range
Indicates whether the power bank includes an integrated thermal management system.
Bytech BYPB40108BK Internal Heat Sink
Is there an internal heat sink?
No
0
Votes
Bytech BYPB40108BK
Yes Power Banks in this range
Indicates the presence of an internal heat sink to absorb and spread heat.
Bytech BYPB40108BK Thermal Throttling
Does it support thermal throttling?
No
0
Votes
Bytech BYPB40108BK
Yes Power Banks in this range
Reduces power output automatically to prevent overheating.
Connectivity & Smart Features 8
Bytech BYPB40108BK Bluetooth Connectivity
Does it support Bluetooth connectivity?
No
0
Votes
Bytech BYPB40108BK
Yes Power Banks in this range
Indicates whether the power bank can connect wirelessly to other devices.
Bytech BYPB40108BK App Support
Is there app support?
No
0
Votes
Bytech BYPB40108BK
Yes Power Banks in this range
Confirms whether a companion mobile app is available.
Bytech BYPB40108BK Firmware Upgradable
Can the firmware be updated?
No
0
Votes
Bytech BYPB40108BK
Yes Power Banks in this range
Indicates whether firmware can be updated to improve functionality.
Bytech BYPB40108BK Smart Power Monitoring
Does it offer smart power monitoring?
No
0
Votes
Bytech BYPB40108BK
Yes Power Banks in this range
Provides real-time monitoring of power flow and usage.
Bytech BYPB40108BK Device Usage Analytics
Does it provide usage analytics?
No
0
Votes
Bytech BYPB40108BK
Yes Power Banks in this range
Tracks connected device charging behavior and patterns.
Bytech BYPB40108BK Charging History Tracking
Is charging history tracked?
No
0
Votes
Bytech BYPB40108BK
Yes Power Banks in this range
Records past charging sessions for review.
Environmental & Efficiency 6
Bytech BYPB40108BK Energy Conversion Efficiency
What is the energy conversion efficiency?
Bytech BYPB40108BK
Energy conversion efficiency is 85 %, a good level indicating minimal energy loss during power transfer.
Measures how efficiently stored energy is converted into usable output power.
Bytech BYPB40108BK Idle Power Consumption
How much power is used while idle?
Indicates how much power is consumed when the power bank is not actively charging devices.
Bytech BYPB40108BK Eco Mode
Does it support eco mode?
No
0
Votes
Bytech BYPB40108BK
Yes Power Banks in this range
Enables reduced power usage to improve efficiency and battery longevity.
Bytech BYPB40108BK Automatic Power Optimization
Does it optimize power automatically?
No
0
Votes
Bytech BYPB40108BK
Yes Power Banks in this range
Automatically adjusts output to reduce energy waste.
Bytech BYPB40108BK Sustainable Materials
Does it use sustainable materials?
No
0
Votes
Bytech BYPB40108BK
Yes Power Banks in this range
Indicates use of environmentally friendly or recycled materials.
Bytech BYPB40108BK Recycling Program
Is a recycling program supported?
No
0
Votes
Bytech BYPB40108BK
Yes Power Banks in this range
Indicates manufacturer support for recycling or take-back programs.
Included Accessories & Packaging 7
Bytech BYPB40108BK Package Width
What is the package width?
Bytech BYPB40108BK
The package width is 3 inch which corresponds approximately to 7.62 cm.
Measures the width of the retail packaging.
Bytech BYPB40108BK Charging Cable
Is a charging cable included?
No
0
Votes
Bytech BYPB40108BK
Yes Power Banks in this range
Indicates whether a charging cable is included in the box.
Bytech BYPB40108BK Carrying Case
Is a carrying case included?
No
0
Votes
Bytech BYPB40108BK
Yes Power Banks in this range
Indicates whether a protective carrying case is included.
Bytech BYPB40108BK Wall Adapter
Is a wall adapter included?
No
0
Votes
Bytech BYPB40108BK
Yes Power Banks in this range
Indicates whether a wall charging adapter is provided.
Bytech BYPB40108BK User Manual
Is a user manual included?
Yes 0 Votes Bytech BYPB40108BK
Yes Power Banks in this range
Indicates whether a user manual or guide is provided.
Bytech BYPB40108BK Package Depth
What is the package depth?
Measures the depth of the retail packaging.
Warranty & Support 6
Bytech BYPB40108BK Warranty Length
How long is the warranty?
0 Bytech BYPB40108BK 0 Votes 12 Months
0 Power Banks in this range 12 Months
Indicates the duration of the manufacturer warranty.
Bytech BYPB40108BK Battery Warranty Coverage
Is the battery covered by warranty?
Yes 0 Votes Bytech BYPB40108BK
Yes Power Banks in this range
Indicates whether the battery itself is covered under warranty.
Bytech BYPB40108BK Technical Support Availability
Is technical support available?
Yes 0 Votes Bytech BYPB40108BK
Yes Power Banks in this range
Confirms access to technical support services.
Bytech BYPB40108BK Support Channels
What support channels are available?
0 Bytech BYPB40108BK 0 Votes Email, Phone
0 Power Banks in this range Email, Phone
Lists available customer support contact methods.
Bytech BYPB40108BK Replacement Policy
Is there a replacement policy?
Yes 0 Votes Bytech BYPB40108BK
Yes Power Banks in this range
Indicates eligibility for replacement in case of defects.
Bytech BYPB40108BK Repair Service Availability
Are repair services available?
No
0
Votes
Bytech BYPB40108BK
Yes Power Banks in this range
Confirms whether repair services are offered.
Surveys
Because hot takes deserve votes.Bytech BYPB40108BK Charging Speed Performance
How fast does this power bank recharge devices in everyday use?
Bytech BYPB40108BK Battery Capacity Satisfaction
How satisfied are you with the battery capacity of this power bank for daily needs?
Bytech BYPB40108BK Output Power and Device Support
How well does this power bank handle charging different devices at once?
Bytech BYPB40108BK Port Selection and Flexibility
How flexible is this power bank when it comes to charging ports?
Bytech BYPB40108BK Size and Portability
How easy is this power bank to carry around daily?
Bytech BYPB40108BK Build Quality and Durability
How durable does this power bank feel during regular use?
Bytech BYPB40108BK Charging Stability
How stable is the charging output from this power bank during use?
Bytech BYPB40108BK Heat and Safety Performance
How well does this power bank control heat during charging and heavy use?
Bytech BYPB40108BK Battery Efficiency
How efficiently does this power bank convert stored energy into usable charging power?
Bytech BYPB40108BK Travel Friendliness
How convenient is this power bank for travel and daily commuting?
Reviews 0
The good, the bad, and the brutally honest.Average Rating
Discussions 0
Thoughts, takes, and hot debates.Awards 0
Only the best made it here.Collections 0
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